Fix syntax

Author: wawanbreton

conanfile.py

@@ -93,7 +93,7 @@ def layout(self):
     def requirements(self):
         super().requirements()
 
-        self.requires("protobuf/3.21.12", transitive_headers=True, , transitive_libs=True)
+        self.requires("protobuf/3.21.12", transitive_headers=True, transitive_libs=True)
 
     def validate(self):
         super().validate()